A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the control room passage between 69 and 77 stations on the main flat looking forward and to starboard from 76 station showing distribution box C3C above two Allen West & Co Ltd fuse boxes by the side of the door into the galley. The menu board is showing today's lunch to be potmess and tatties. A garbage bin labelled 'dummy load' is out side the galley. A vertical format negative.